diff --git a/info.yaml b/info.yaml
index 8ba8660..8284ed5 100644
--- a/info.yaml
+++ b/info.yaml
@@ -1,13 +1,13 @@
 ---
 project:
-  description: "An analog project for Google sponsored Open MPW shuttles for SKY130."
+  description: "An analog comparator with SKY130."
   foundry: "SkyWater"
-  git_url: "https://github.com/efabless/caravel_analog_user.git"
-  organization: "Efabless"
-  organization_url: "http://efabless.com"
-  owner: "Tim Edwards"
+  git_url: "https://github.com/siliconwiz/caravel_comparator.git"
+  organization: "vlsi system design"
+  organization_url: "https://www.vlsisystemdesign.com"
+  owner: "Malay Das"
   process: "SKY130"
-  project_name: "Caravel Analog User"
+  project_name: "Comparator"
   project_id: "00000000"
   tags:
     - "Open MPW"
diff --git a/mag/comparator_bkup.mag b/mag/comparator_bkup.mag
deleted file mode 100644
index 8fde643..0000000
--- a/mag/comparator_bkup.mag
+++ /dev/null
@@ -1,719 +0,0 @@
-magic
-tech sky130A
-timestamp 1621153998
-<< checkpaint >>
-rect -1853 -1878 2114 2081
-<< error_p >>
-rect 113 114 148 115
-<< nwell >>
-rect -261 100 799 810
-<< mvnmos >>
-rect -136 -114 -86 -14
-rect 33 -114 83 -14
-rect 257 -100 307 -50
-rect 445 -214 495 -14
-rect 549 -214 599 -14
-rect 662 -214 712 -14
-rect 131 -311 181 -261
-rect -9 -429 91 -379
-rect 131 -429 181 -379
-rect 305 -568 355 -368
-rect 445 -568 495 -368
-<< mvpmos >>
-rect -152 135 -52 235
-rect -6 135 94 235
-rect 257 135 307 735
-rect 445 135 495 535
-rect 549 135 599 535
-rect 662 135 712 535
-<< mvndiff >>
-rect -208 -22 -136 -14
-rect -208 -106 -191 -22
-rect -162 -106 -136 -22
-rect -208 -114 -136 -106
-rect -86 -22 33 -14
-rect -86 -106 -71 -22
-rect 17 -106 33 -22
-rect -86 -114 33 -106
-rect 83 -22 153 -14
-rect 83 -106 102 -22
-rect 145 -106 153 -22
-rect 405 -22 445 -14
-rect 198 -100 257 -50
-rect 307 -58 349 -50
-rect 307 -92 323 -58
-rect 341 -92 349 -58
-rect 307 -100 349 -92
-rect 83 -114 153 -106
-rect 405 -206 413 -22
-rect 431 -206 445 -22
-rect 405 -214 445 -206
-rect 495 -214 549 -14
-rect 599 -22 662 -14
-rect 599 -206 616 -22
-rect 644 -206 662 -22
-rect 599 -214 662 -206
-rect 712 -22 756 -14
-rect 712 -206 727 -22
-rect 748 -206 756 -22
-rect 712 -214 756 -206
-rect 97 -269 131 -261
-rect 97 -303 102 -269
-rect 119 -303 131 -269
-rect 97 -311 131 -303
-rect 181 -272 234 -261
-rect 181 -301 202 -272
-rect 228 -301 234 -272
-rect 181 -311 234 -301
-rect 258 -376 305 -368
-rect -57 -388 -9 -379
-rect -57 -420 -48 -388
-rect -26 -420 -9 -388
-rect -57 -429 -9 -420
-rect 91 -429 131 -379
-rect 181 -387 221 -379
-rect 181 -421 194 -387
-rect 213 -421 221 -387
-rect 181 -429 221 -421
-rect 258 -557 269 -376
-rect 295 -557 305 -376
-rect 258 -568 305 -557
-rect 355 -376 445 -368
-rect 355 -560 372 -376
-rect 430 -560 445 -376
-rect 355 -568 445 -560
-rect 495 -376 538 -368
-rect 495 -560 510 -376
-rect 530 -560 538 -376
-rect 495 -568 538 -560
-<< mvpdiff >>
-rect -206 228 -152 235
-rect -206 143 -194 228
-rect -176 143 -152 228
-rect -206 135 -152 143
-rect -52 227 -6 235
-rect -52 144 -43 227
-rect -15 144 -6 227
-rect -52 135 -6 144
-rect 94 227 153 235
-rect 94 143 117 227
-rect 145 143 153 227
-rect 94 135 153 143
-rect 198 135 257 735
-rect 307 725 433 735
-rect 307 145 324 725
-rect 422 535 433 725
-rect 422 145 445 535
-rect 307 135 445 145
-rect 495 527 549 535
-rect 495 143 512 527
-rect 533 143 549 527
-rect 495 135 549 143
-rect 599 527 662 535
-rect 599 142 612 527
-rect 648 142 662 527
-rect 599 135 662 142
-rect 712 135 756 535
-<< mvndiffc >>
-rect -191 -106 -162 -22
-rect -71 -106 17 -22
-rect 102 -106 145 -22
-rect 323 -92 341 -58
-rect 413 -206 431 -22
-rect 616 -206 644 -22
-rect 727 -206 748 -22
-rect 102 -303 119 -269
-rect 202 -301 228 -272
-rect -48 -420 -26 -388
-rect 194 -421 213 -387
-rect 269 -557 295 -376
-rect 372 -560 430 -376
-rect 510 -560 530 -376
-<< mvpdiffc >>
-rect -194 143 -176 228
-rect -43 144 -15 227
-rect 117 143 145 227
-rect 324 145 422 725
-rect 512 143 533 527
-rect 612 142 648 527
-<< mvpsubdiff >>
-rect -232 -590 26 -576
-rect -232 -697 -219 -590
-rect 10 -697 26 -590
-rect -232 -705 26 -697
-<< mvnsubdiff >>
-rect 464 770 760 776
-rect 464 648 498 770
-rect 733 648 760 770
-rect 464 623 760 648
-<< mvpsubdiffcont >>
-rect -219 -697 10 -590
-<< mvnsubdiffcont >>
-rect 498 648 733 770
-<< poly >>
-rect 257 735 307 750
-rect -152 235 -52 262
-rect -6 235 94 262
-rect 549 596 599 603
-rect 549 566 557 596
-rect 591 566 599 596
-rect 445 535 495 558
-rect 549 535 599 566
-rect 662 535 712 558
-rect -152 110 -52 135
-rect -152 93 -144 110
-rect -59 93 -52 110
-rect -152 85 -52 93
-rect -6 110 94 135
-rect -6 93 2 110
-rect 87 93 94 110
-rect -6 85 94 93
-rect 257 117 307 135
-rect 296 86 307 117
-rect 445 110 495 135
-rect 445 49 453 110
-rect 487 49 495 110
-rect -136 -14 -86 -1
-rect 33 -14 83 -1
-rect 257 -50 307 27
-rect 445 -14 495 49
-rect 549 -14 599 135
-rect 662 106 712 135
-rect 662 12 670 106
-rect 704 12 712 106
-rect 662 -14 712 12
-rect 257 -113 307 -100
-rect -136 -201 -86 -114
-rect 33 -132 83 -114
-rect 33 -140 80 -132
-rect 33 -170 41 -140
-rect 71 -170 80 -140
-rect 33 -178 80 -170
-rect -136 -231 -128 -201
-rect -94 -231 -86 -201
-rect -136 -239 -86 -231
-rect 131 -222 181 -215
-rect 131 -239 139 -222
-rect 173 -239 181 -222
-rect 445 -227 495 -214
-rect 549 -227 599 -214
-rect 662 -228 712 -214
-rect 131 -261 181 -239
-rect 445 -303 495 -295
-rect -9 -379 91 -355
-rect 131 -379 181 -311
-rect 445 -343 453 -303
-rect 487 -343 495 -303
-rect 305 -368 355 -344
-rect 445 -368 495 -343
-rect -9 -454 91 -429
-rect -9 -483 -1 -454
-rect 71 -483 91 -454
-rect 131 -462 181 -429
-rect -9 -491 91 -483
-rect 305 -593 355 -568
-rect 445 -583 495 -568
-rect 305 -618 313 -593
-rect 347 -618 355 -593
-rect 305 -627 355 -618
-<< polycont >>
-rect 557 566 591 596
-rect -144 93 -59 110
-rect 2 93 87 110
-rect 257 86 296 117
-rect 453 49 487 110
-rect 670 12 704 106
-rect 41 -170 71 -140
-rect -128 -231 -94 -201
-rect 139 -239 173 -222
-rect 453 -343 487 -303
-rect -1 -483 71 -454
-rect 313 -618 347 -593
-<< locali >>
-rect -261 770 799 810
-rect -261 758 498 770
-rect -202 228 -167 235
-rect -202 143 -194 228
-rect -176 143 -167 228
-rect -202 135 -167 143
-rect -48 227 -10 235
-rect -48 144 -43 227
-rect -15 144 -10 227
-rect -48 135 -10 144
-rect 109 227 153 235
-rect 109 143 117 227
-rect 145 143 153 227
-rect 109 135 153 143
-rect 198 135 249 735
-rect 314 725 433 735
-rect 314 145 324 725
-rect 422 145 433 725
-rect 464 648 498 758
-rect 733 758 799 770
-rect 733 648 760 758
-rect 464 623 760 648
-rect 549 596 599 603
-rect 549 566 557 596
-rect 591 566 599 596
-rect 549 558 599 566
-rect 314 135 433 145
-rect 504 527 541 535
-rect 504 143 512 527
-rect 533 143 541 527
-rect 504 135 541 143
-rect 604 527 656 535
-rect 604 142 612 527
-rect 648 142 656 527
-rect 604 135 656 142
-rect 719 527 756 535
-rect 719 143 727 527
-rect 748 143 756 527
-rect 719 135 756 143
-rect -152 110 94 118
-rect -152 93 -144 110
-rect -59 93 2 110
-rect 87 93 94 110
-rect -152 85 94 93
-rect 445 110 495 118
-rect 445 49 453 110
-rect 487 49 495 110
-rect 445 41 495 49
-rect 662 106 712 114
-rect 662 12 670 106
-rect 704 12 712 106
-rect 662 4 712 12
-rect -203 -22 -148 -14
-rect -203 -106 -191 -22
-rect -162 -106 -148 -22
-rect -203 -114 -148 -106
-rect -79 -22 25 -14
-rect -79 -106 -71 -22
-rect 17 -106 25 -22
-rect -79 -114 25 -106
-rect 94 -22 153 -14
-rect 94 -106 102 -22
-rect 145 -106 153 -22
-rect 405 -22 439 -14
-rect 315 -58 349 -50
-rect 315 -92 323 -58
-rect 341 -92 349 -58
-rect 315 -100 349 -92
-rect 94 -114 153 -106
-rect 33 -140 80 -132
-rect 33 -170 41 -140
-rect 71 -170 80 -140
-rect 33 -178 80 -170
-rect -136 -201 -86 -193
-rect -136 -231 -128 -201
-rect -94 -231 -86 -201
-rect 405 -206 413 -22
-rect 431 -206 439 -22
-rect 405 -214 439 -206
-rect 608 -22 652 -14
-rect 608 -206 616 -22
-rect 644 -206 652 -22
-rect 608 -214 652 -206
-rect 719 -22 756 -14
-rect 719 -206 727 -22
-rect 748 -206 756 -22
-rect 719 -214 756 -206
-rect -136 -239 -86 -231
-rect 131 -222 221 -215
-rect 131 -239 139 -222
-rect 173 -239 221 -222
-rect 131 -244 221 -239
-rect 185 -261 221 -244
-rect 97 -269 125 -261
-rect 97 -303 102 -269
-rect 119 -303 125 -269
-rect 97 -311 125 -303
-rect 185 -272 234 -261
-rect 185 -301 202 -272
-rect 228 -301 234 -272
-rect 185 -311 234 -301
-rect 445 -303 495 -295
-rect 445 -343 453 -303
-rect 487 -343 495 -303
-rect 445 -351 495 -343
-rect 258 -376 305 -368
-rect -57 -388 -17 -379
-rect -57 -420 -48 -388
-rect -26 -420 -17 -388
-rect -57 -429 -17 -420
-rect 186 -387 221 -379
-rect 186 -421 194 -387
-rect 213 -421 221 -387
-rect 186 -429 221 -421
-rect -9 -454 79 -446
-rect -9 -483 -1 -454
-rect 71 -483 79 -454
-rect -9 -491 79 -483
-rect 258 -557 269 -376
-rect 295 -557 305 -376
-rect 258 -568 305 -557
-rect 363 -376 438 -368
-rect 363 -560 372 -376
-rect 430 -560 438 -376
-rect 363 -568 438 -560
-rect 503 -376 538 -368
-rect 503 -560 510 -376
-rect 530 -560 538 -376
-rect 503 -568 538 -560
-rect -232 -590 26 -576
-rect -232 -697 -219 -590
-rect 10 -647 26 -590
-rect 305 -593 355 -585
-rect 305 -618 313 -593
-rect 347 -618 355 -593
-rect 305 -627 355 -618
-rect 10 -659 767 -647
-rect 10 -697 25 -659
-rect 53 -697 88 -659
-rect 116 -697 153 -659
-rect 181 -697 210 -659
-rect 238 -697 273 -659
-rect 301 -697 339 -659
-rect 367 -697 396 -659
-rect 424 -697 459 -659
-rect 487 -697 518 -659
-rect 546 -697 575 -659
-rect 603 -697 638 -659
-rect 666 -697 700 -659
-rect 728 -697 767 -659
-rect -232 -705 767 -697
-<< viali >>
-rect -194 143 -176 228
-rect -43 144 -15 227
-rect 117 143 145 227
-rect 324 145 422 725
-rect 557 566 591 596
-rect 512 143 533 527
-rect 612 142 648 527
-rect 727 143 748 527
-rect -144 93 -59 110
-rect 2 93 87 110
-rect 257 86 296 117
-rect 453 49 487 110
-rect 670 12 704 106
-rect -191 -106 -162 -22
-rect -71 -106 17 -22
-rect 102 -106 145 -22
-rect 323 -92 341 -58
-rect 41 -170 71 -140
-rect -128 -231 -94 -201
-rect 413 -206 431 -22
-rect 616 -206 644 -22
-rect 727 -206 748 -22
-rect 102 -303 119 -269
-rect 202 -301 228 -272
-rect 453 -343 487 -303
-rect -48 -420 -26 -388
-rect 194 -421 213 -387
-rect -1 -483 71 -454
-rect 269 -557 295 -376
-rect 372 -560 430 -376
-rect 510 -560 530 -376
-rect 313 -618 347 -593
-rect -219 -697 -191 -659
-rect -162 -697 -134 -659
-rect -99 -697 -71 -659
-rect -32 -697 -4 -659
-rect 25 -697 53 -659
-rect 88 -697 116 -659
-rect 153 -697 181 -659
-rect 210 -697 238 -659
-rect 273 -697 301 -659
-rect 339 -697 367 -659
-rect 396 -697 424 -659
-rect 459 -697 487 -659
-rect 518 -697 546 -659
-rect 575 -697 603 -659
-rect 638 -697 666 -659
-rect 700 -697 728 -659
-<< metal1 >>
-rect -261 758 799 810
-rect -203 228 -167 235
-rect -203 143 -194 228
-rect -176 143 -167 228
-rect -203 118 -167 143
-rect -48 227 -10 235
-rect -48 144 -43 227
-rect -15 144 -10 227
-rect -48 135 -10 144
-rect 109 227 153 235
-rect 109 143 117 227
-rect 145 143 153 227
-rect -203 110 94 118
-rect -203 93 -144 110
-rect -59 93 2 110
-rect 87 93 94 110
-rect -203 85 94 93
-rect 109 117 153 143
-rect -203 -22 -148 85
-rect 109 -14 153 86
-rect -203 -106 -191 -22
-rect -162 -106 -148 -22
-rect -203 -114 -148 -106
-rect -79 -22 25 -14
-rect -79 -106 -71 -22
-rect 17 -106 25 -22
-rect -79 -114 25 -106
-rect 94 -22 153 -14
-rect 94 -106 102 -22
-rect 145 -106 153 -22
-rect 94 -114 153 -106
-rect 198 135 249 735
-rect 314 725 433 735
-rect 314 145 324 725
-rect 422 145 433 725
-rect 549 596 599 603
-rect 549 566 557 596
-rect 591 566 599 596
-rect 549 558 599 566
-rect 314 135 433 145
-rect 504 527 541 535
-rect 504 143 512 527
-rect 533 143 541 527
-rect 504 135 541 143
-rect 604 527 656 535
-rect 604 142 612 527
-rect 648 142 656 527
-rect 604 135 656 142
-rect 719 527 756 535
-rect 719 143 727 527
-rect 748 143 756 527
-rect 719 135 756 143
-rect 198 72 243 135
-rect -203 -528 -151 -114
-rect -136 -201 -86 -193
-rect -136 -231 -128 -201
-rect -94 -231 -86 -201
-rect -136 -239 -86 -231
-rect -57 -388 -15 -114
-rect 198 -125 243 41
-rect 314 27 346 135
-rect 257 -20 346 27
-rect 33 -140 80 -132
-rect 33 -170 41 -140
-rect 71 -170 80 -140
-rect 315 -58 349 -50
-rect 315 -92 323 -58
-rect 341 -92 349 -58
-rect 33 -178 80 -170
-rect 315 -182 349 -92
-rect -57 -420 -48 -388
-rect -26 -420 -15 -388
-rect -57 -429 -15 -420
-rect 97 -211 349 -182
-rect 97 -269 126 -211
-rect 363 -263 388 86
-rect 445 110 495 118
-rect 445 49 453 110
-rect 487 49 495 110
-rect 445 41 495 49
-rect 509 114 541 135
-rect 509 106 712 114
-rect 509 14 670 106
-rect 405 12 670 14
-rect 704 12 712 106
-rect 405 4 712 12
-rect 405 -14 541 4
-rect 727 -14 756 135
-rect 405 -22 439 -14
-rect 405 -206 413 -22
-rect 431 -206 439 -22
-rect 405 -228 439 -206
-rect 608 -22 652 -14
-rect 608 -206 616 -22
-rect 644 -206 652 -22
-rect 405 -249 591 -228
-rect 97 -303 102 -269
-rect 119 -303 126 -269
-rect -9 -454 79 -446
-rect -9 -483 -1 -454
-rect 71 -483 79 -454
-rect -9 -491 79 -483
-rect 97 -647 126 -303
-rect 196 -272 234 -266
-rect 196 -301 202 -272
-rect 228 -301 234 -272
-rect 363 -279 538 -263
-rect 196 -307 234 -301
-rect 445 -303 495 -295
-rect 445 -343 453 -303
-rect 487 -343 495 -303
-rect 445 -351 495 -343
-rect 509 -368 538 -279
-rect 258 -376 305 -368
-rect 186 -387 221 -379
-rect 186 -421 194 -387
-rect 220 -421 221 -387
-rect 186 -429 221 -421
-rect 258 -557 269 -376
-rect 295 -557 305 -376
-rect 258 -568 305 -557
-rect 363 -376 438 -368
-rect 363 -560 372 -376
-rect 430 -560 438 -376
-rect 363 -568 438 -560
-rect 503 -376 538 -368
-rect 503 -560 510 -376
-rect 530 -560 538 -376
-rect 503 -568 538 -560
-rect 561 -585 591 -249
-rect 305 -593 591 -585
-rect 305 -618 313 -593
-rect 347 -618 591 -593
-rect 305 -627 591 -618
-rect 608 -647 652 -206
-rect 719 -22 756 -14
-rect 719 -206 727 -22
-rect 748 -206 756 -22
-rect 719 -214 756 -206
-rect -232 -659 767 -647
-rect -232 -697 -219 -659
-rect -191 -697 -162 -659
-rect -134 -697 -99 -659
-rect -71 -697 -32 -659
-rect -4 -697 25 -659
-rect 53 -697 88 -659
-rect 116 -697 153 -659
-rect 181 -697 210 -659
-rect 238 -697 273 -659
-rect 301 -697 339 -659
-rect 367 -697 396 -659
-rect 424 -697 459 -659
-rect 487 -697 518 -659
-rect 546 -697 575 -659
-rect 603 -697 638 -659
-rect 666 -697 700 -659
-rect 728 -697 767 -659
-rect -232 -705 767 -697
-<< via1 >>
-rect -43 144 -15 227
-rect 109 86 153 117
-rect 324 145 422 725
-rect 557 566 591 596
-rect 612 142 648 527
-rect 257 86 296 117
-rect 198 41 243 72
-rect -128 -231 -94 -201
-rect 363 86 388 117
-rect 41 -170 71 -140
-rect 198 -165 243 -125
-rect 453 49 487 110
-rect -1 -483 71 -454
-rect -203 -568 -151 -528
-rect 202 -301 228 -272
-rect 453 -343 487 -303
-rect 194 -421 213 -387
-rect 213 -421 220 -387
-rect 221 -568 258 -528
-rect 372 -560 430 -376
-<< metal2 >>
-rect -261 758 799 810
-rect 314 725 433 735
-rect -48 227 -10 235
-rect -48 144 -43 227
-rect -15 144 -10 227
-rect -48 135 -10 144
-rect 314 145 324 725
-rect 422 145 433 725
-rect 549 603 846 648
-rect 549 596 599 603
-rect 549 566 557 596
-rect 591 566 599 596
-rect 549 558 599 566
-rect 314 135 433 145
-rect 604 527 656 535
-rect 604 142 612 527
-rect 648 142 656 527
-rect 604 135 656 142
-rect 153 86 257 117
-rect 296 86 363 117
-rect 445 110 495 118
-rect 445 72 453 110
-rect 243 49 453 72
-rect 487 49 495 110
-rect 243 41 495 49
-rect -275 -140 80 -117
-rect -275 -163 41 -140
-rect 33 -170 41 -163
-rect 71 -170 80 -140
-rect 33 -178 80 -170
-rect -136 -201 -86 -193
-rect -136 -207 -128 -201
-rect -361 -231 -128 -207
-rect -94 -231 -86 -201
-rect -361 -273 -86 -231
-rect 246 -236 796 -235
-rect 241 -261 796 -236
-rect 196 -272 796 -261
-rect 196 -301 202 -272
-rect 228 -281 796 -272
-rect 228 -301 266 -281
-rect 196 -307 266 -301
-rect 445 -303 495 -295
-rect 196 -311 234 -307
-rect 280 -327 431 -319
-rect 221 -343 431 -327
-rect 221 -355 300 -343
-rect 221 -379 250 -355
-rect 186 -387 250 -379
-rect 186 -421 194 -387
-rect 220 -421 250 -387
-rect 186 -429 250 -421
-rect 363 -368 431 -343
-rect 445 -343 453 -303
-rect 487 -343 495 -303
-rect 445 -351 495 -343
-rect 363 -376 438 -368
-rect -9 -454 79 -446
-rect -9 -483 -1 -454
-rect 71 -483 79 -454
-rect -9 -491 79 -483
-rect -151 -568 221 -528
-rect 363 -560 372 -376
-rect 430 -560 438 -376
-rect 363 -568 438 -560
-<< via2 >>
-rect -43 144 -15 227
-rect 324 145 422 725
-rect 612 142 648 527
-rect 198 -165 243 -125
-rect 453 -343 487 -303
-rect -1 -483 71 -454
-<< metal3 >>
-rect -261 758 799 810
-rect -261 -446 -226 758
-rect -48 227 -10 758
-rect -48 144 -43 227
-rect -15 144 -10 227
-rect -48 135 -10 144
-rect 314 725 433 758
-rect 314 145 324 725
-rect 422 145 433 725
-rect 314 135 433 145
-rect 604 527 656 758
-rect 604 142 612 527
-rect 648 142 656 527
-rect 604 135 656 142
-rect 243 -165 378 -125
-rect 338 -295 378 -165
-rect 338 -303 495 -295
-rect 338 -338 453 -303
-rect 445 -343 453 -338
-rect 487 -343 495 -303
-rect 445 -351 495 -343
-rect -261 -454 79 -446
-rect -261 -483 -1 -454
-rect 71 -483 79 -454
-rect -261 -491 79 -483
-<< labels >>
-rlabel viali 159 -678 159 -678 1 GND
-rlabel metal2 816 632 816 632 1 EN
-rlabel metal2 759 -262 759 -262 1 Ihyst
-rlabel metal2 -340 -224 -340 -224 1 INN
-rlabel metal2 -271 -159 -271 -159 1 INP
-rlabel metal1 742 59 742 59 1 VOUT
-<< end >>